import time 
def read2list(file):
    file = open(file)
    l = file.readlines()
    return(l)

def b_sort(a):
    for i in range(len(a)-1):
            for j in range(len(a)-2, i-1,-1):
                if a[j]>a[j+1]:
                    a[j],a[j+1] = a[j+1],a[j]
m1=read2list('m1_sorted.txt')            
ts = time.time()
b_sort(m1)
tf = time.time()
print('m1_sorted.txt', (tf-ts)*1000,'millisec.')
m2=read2list('m2_reverse.txt')            
ts = time.time()
b_sort(m2)
tf = time.time()
print('m2_reverse.txt', (tf-ts)*1000,'millisec.')
m3=read2list('m3_shuffle.txt')            
ts = time.time()
b_sort(m3)
tf = time.time()
print('m3_shuffle.txt', (tf-ts)*1000,'millisec.')
